    @if(optionName == "项目概况"){
        <a href="/npmes/exchange" class="on">
    @}else{
        <a href="/npmes/exchange">
    @}
            项目概况</a>


    @if(isNotPc){
        @if(optionName == "服务特点"){
            <a href="/npmes/wap/exchange/sf" class="on">
        @}else{
            <a href="/npmes/wap/exchange/sf">
        @}
    @}else{
        @if(optionName == "服务特点"){
            <a href="/npmes/exchange/sf" class="on">
        @}else{
            <a href="/npmes/exchange/sf">
        @}
    @}
            服务特点</a>

    @if(optionName == "项目成果"){
        <a href_="" class="on">
    @}else{
        <a href_="">
    @}
            项目成果</a>


    @if(isNotPc){
        @if(optionName == "需求定制"){
            <a href="/npmes/wap/exchange/cu" class="on">
        @}else{
            <a href="/npmes/wap/exchange/cu">
        @}
    @}else{
        @if(optionName == "需求定制"){
            <a href="/npmes/exchange/cu" class="on">
        @}else{
            <a href="/npmes/exchange/cu">
        @}
    @}
            需求定制</a>
                
